Premarket roundup: Yahoo, Red Hat

Among the premarket stories for Thursday, June 25, from AP Financial News:

SANTA CLARA, Calif. (AP) _ Yahoo Inc. shareholders will get their first chance to grill straight-talking Chief Executive Carol Bartz at the Internet company's annual meeting.

NEW YORK (AP) _ Red Hat Inc. shares slipped in premarket trading despite relatively strong first-quarter results for the software maker. Some analysts pointed to the company's share price as reason to stay on the sidelines.

NEW YORK (AP) _ Improving demand and pricing as well as deep cost cuts are helping Seagate Technology Inc., which was upgraded at Deutsche Bank after raising its fiscal fourth-quarter outlook.

NEW YORK (AP) _ Veterinary hospital operator VCA Antech Inc. should report improved results from hospital and laboratory testing activities when it posts its second-quarter earnings next month, a SunTrust Robinson Humphrey analyst said.

NEW YORK (AP) _ An analyst for Oppenheimer and Co. upgraded shares of laboratory services company Genoptix Inc., saying he is no longer concerned that the company is charging unsustainable fees for its cancer tests.

NEW YORK (AP) _ Analysts were upbeat about Bed Bath & Beyond Inc., saying the retailer had picked up market share after the liquidation of Linens 'N Things and improved profit results by controlling costs.

NEW YORK (AP) _ Shares of Jefferies Group Inc. rose in premarket trading after the bank released a surprisingly strong outlook for its second quarter and analysts raised their earnings estimates for the next two years.

HARTFORD, Conn. (AP) _ Rising income for farmers and an improving agriculture commodity outlook prompted an analyst to upgrade farm machinery manufacturer Deere & Co. Thursday.